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1 // Copyright 2017 the V8 project authors. All rights reserved. | 1 // Copyright 2017 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_DEBUG_DEBUG_COVERAGE_H_ | 5 #ifndef V8_DEBUG_DEBUG_COVERAGE_H_ |
6 #define V8_DEBUG_DEBUG_COVERAGE_H_ | 6 #define V8_DEBUG_DEBUG_COVERAGE_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "src/debug/debug-interface.h" | 10 #include "src/debug/debug-interface.h" |
11 #include "src/objects.h" | 11 #include "src/objects.h" |
12 | 12 |
13 namespace v8 { | 13 namespace v8 { |
14 namespace internal { | 14 namespace internal { |
15 | 15 |
16 // Forward declaration. | 16 // Forward declaration. |
17 class Isolate; | 17 class Isolate; |
18 | 18 |
19 struct CoverageRange { | 19 struct CoverageFunction { |
20 CoverageRange(int s, int e, uint32_t c, Handle<String> n) | 20 CoverageFunction(int s, int e, uint32_t c, Handle<String> n) |
21 : start(s), end(e), count(c), name(n) {} | 21 : start(s), end(e), count(c), name(n) {} |
22 int start; | 22 int start; |
23 int end; | 23 int end; |
24 uint32_t count; | 24 uint32_t count; |
25 Handle<String> name; | 25 Handle<String> name; |
26 std::vector<CoverageRange> inner; | |
27 }; | 26 }; |
28 | 27 |
29 struct CoverageScript { | 28 struct CoverageScript { |
30 // Initialize top-level function in case it has been garbage-collected. | 29 // Initialize top-level function in case it has been garbage-collected. |
31 CoverageScript(Isolate* isolate, Handle<Script> s, int source_length); | 30 CoverageScript(Isolate* isolate, Handle<Script> s) : script(s) {} |
32 Handle<Script> script; | 31 Handle<Script> script; |
33 CoverageRange toplevel; | 32 // Functions are sorted by start position, from outer to inner function. |
| 33 std::vector<CoverageFunction> functions; |
34 }; | 34 }; |
35 | 35 |
36 class Coverage : public std::vector<CoverageScript> { | 36 class Coverage : public std::vector<CoverageScript> { |
37 public: | 37 public: |
38 // Allocate a new Coverage object and populate with result. | 38 // Allocate a new Coverage object and populate with result. |
39 // The ownership is transferred to the caller. | 39 // The ownership is transferred to the caller. |
40 static Coverage* Collect(Isolate* isolate); | 40 static Coverage* Collect(Isolate* isolate, bool reset_count); |
41 | 41 |
42 // Enable precise code coverage. This disables optimization and makes sure | 42 // Enable precise code coverage. This disables optimization and makes sure |
43 // invocation count is not affected by GC. | 43 // invocation count is not affected by GC. |
44 static void TogglePrecise(Isolate* isolate, bool enable); | 44 static void TogglePrecise(Isolate* isolate, bool enable); |
45 | 45 |
46 private: | 46 private: |
47 Coverage() {} | 47 Coverage() {} |
48 }; | 48 }; |
49 | 49 |
50 } // namespace internal | 50 } // namespace internal |
51 } // namespace v8 | 51 } // namespace v8 |
52 | 52 |
53 #endif // V8_DEBUG_DEBUG_COVERAGE_H_ | 53 #endif // V8_DEBUG_DEBUG_COVERAGE_H_ |
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